Patents by Inventor Paul D. Halphen

Paul D. Halphen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10435650
    Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: October 8, 2019
    Assignee: Milliken & Company
    Inventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
  • Publication number: 20170260484
    Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.
    Type: Application
    Filed: May 30, 2017
    Publication date: September 14, 2017
    Inventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
  • Patent number: 9688946
    Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.
    Type: Grant
    Filed: October 23, 2013
    Date of Patent: June 27, 2017
    Assignee: Milliken & Company
    Inventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
  • Publication number: 20140158166
    Abstract: A cleaning composition comprises at least one surfactant and at least one colorant. The cleaning composition can have a pH of about 3 or less. The colorant exhibits one of several specified structures at a pH of about 7. A method for cleaning a surface utilizes the cleaning composition.
    Type: Application
    Filed: October 23, 2013
    Publication date: June 12, 2014
    Applicant: MILLIKEN & COMPANY
    Inventors: Yogesh Saraf, Eduardo Torres, Sanjeev K. Dey, Paul D. Halphen
  • Patent number: 6486248
    Abstract: A solvent free, diluent free, hydrocarbon soluble liquid polymeric colorant. Also disclosed is a method for applying a liquid colorant to solid granular substrates, such as fertilizer, to provide a colored substrate where the colorant exhibits a reduced tendency to bleed or migrate from the surface of the colored substrate onto other surfaces.
    Type: Grant
    Filed: January 8, 2001
    Date of Patent: November 26, 2002
    Assignee: Milliken & Company
    Inventors: David E. Ashley, Leonard J. Starks, Paul D. Halphen
  • Publication number: 20020091183
    Abstract: A solvent free, diluent free, hydrocarbon soluble liquid polymeric colorant. Also disclosed is a method for applying a liquid colorant to solid granular substrates, such as fertilizer, to provide a colored substrate where the colorant exhibits a reduced tendency to bleed or migrate from the surface of the colored substrate onto other surfaces.
    Type: Application
    Filed: January 8, 2001
    Publication date: July 11, 2002
    Inventors: David E. Ashley, Leonard J. Starks, Paul D. Halphen